![File photo of Zhangjiajie Grand Canyon Glass Bridge in Zhangjiajie City, Central China’s Hunan Province. The bridge, designed by the China Railway Major Bridge Reconnaissance & Design Institute, has won the Arthur G. Hayden Medal at the 35th International Bridge Conference (IBC), the pre-eminent arena for the world’s bridge industry. (Photo: China News Service/Wang Hu)](http://www.ecns.cn/hd/2018/06/14/ee4c0f470eac404489e9c5a01a172bdd.jpg)
File photo of Zhangjiajie Grand Canyon Glass Bridge in Zhangjiajie City, Central China’s Hunan Province. The bridge, designed by the China Railway Major Bridge Reconnaissance & Design Institute, has won the Arthur G. Hayden Medal at the 35th International Bridge Conference (IBC), the pre-eminent arena for the world’s bridge industry. (Photo: China News Service/Wang Hu)
![File photo of Zhangjiajie Grand Canyon Glass Bridge in Zhangjiajie City, Central China’s Hunan Province. The bridge, designed by the China Railway Major Bridge Reconnaissance & Design Institute, has won the Arthur G. Hayden Medal at the 35th International Bridge Conference (IBC), the pre-eminent arena for the world’s bridge industry. (Photo: China News Service/Wang Hu)](http://www.ecns.cn/hd/2018/06/14/caa6878fe74d4548a6eaf43fecb6fd16.jpg)
File photo of Zhangjiajie Grand Canyon Glass Bridge in Zhangjiajie City, Central China’s Hunan Province. The bridge, designed by the China Railway Major Bridge Reconnaissance & Design Institute, has won the Arthur G. Hayden Medal at the 35th International Bridge Conference (IBC), the pre-eminent arena for the world’s bridge industry. (Photo: China News Service/Wang Hu)
![Xu Gongyi (2nd right), the deputy chief engineer of the China Railway Major Bridge Reconnaissance & Design Institute, poses with the IBC John A. Roebling medal, which was awarded for a lifetime achievement in bridge engineering at the 35th International Bridge Conference (IBC) in the United States. (Photo: China News Service/Wang Hu)](http://www.ecns.cn/hd/2018/06/14/dbc0a23f79b747db8ca7f8c60cca2b21.jpg)
Xu Gongyi (2nd right), the deputy chief engineer of the China Railway Major Bridge Reconnaissance & Design Institute, poses with the IBC John A. Roebling medal, which was awarded for a lifetime achievement in bridge engineering at the 35th International Bridge Conference (IBC) in the United States. (Photo: China News Service/Wang Hu)